

#import <UIKit/UIKit.h>
#import <Foundation/Foundation.h>

NS_ASSUME_NONNULL_BEGIN

@interface MTKeyChain : NSObject

+ (instancetype)sharedInstance;

- (BOOL)mt_saveString:(NSString *)string forKey:(NSString *)key;

- (nullable NSString *)mt_loadStringForKey:(NSString *)key;

- (BOOL)mt_deleteDataForKey:(NSString *)key;



@end

NS_ASSUME_NONNULL_END
